Weegy: Humans impact the carbon cycle during the combustion of any type of fossil fuel, which may include oil, coal, or natural gas. [ Fossil Fuels were formed very long ago from plant or animal remains that were buried, compressed, and transformed
into oil, coal, or natural gas. The carbon is said to be "fixed" in place and is essentially locked out of the natural carbon cycle ( Humans intervene during by burning the fossil fuels. During combustion in the presence of air, carbon dioxide and water molecules are released into the atmosphere.
Phosphorus enters the environment from rocks or deposits laid down on the earth many years ago. The phosphate rock is commercially available form is called apatite. Other deposits may be from fossilized bone or bird droppings called guano. Weathering and erosion of rocks gradually releases phosphorus as phosphate ions which are soluble in water. Land plants need phosphate as a fertilizer or nutrient.
Humans affect the phosphorus cycle by moving phosphorus around and it becomes runoff. When it is in run-off, it can end up in large stores of water and the phosphorous can cause eutrophication to occur and this can kill animals and plants in the water... ] Expert answered|shifa saleheen|Points 8862|

Sustainable development (SD) is a process for meeting human development goals while maintaining the ability of natural systems to continue to provide the natural resources and ecosystem services upon which the economy and society depend.

Weegy: Most would use a theory that involved rewards. This would convey to employees that if they work well, they will be rewarded with vacation time. User: Example Weegy: For example, a business could reward two days of vacation per quarter if the employees meet their goals that were set in their evaluations. (More)

Weegy: Sir/Madam, Can you please give me the list of possible answers. thank you User: Reinforcement theory, Expectancy Theory, Maslow’s Hierarchy of Needs theory Weegy: Sir/Madam, The answer is "Maslow’s Hierarchy of Needs theory" User: why Weegy: Sir/Madam, Log on to this site and read the article about it for the explination: User: thnk u Weegy: Sir/Madam, Are welcome. (More)